Novak Djokovic of Serbia returns a shot against Kei Nishikori of Japan during their men's singles semifinal match on Day Thirteen of the 2014 US Open...
{"Image ImageDescription": "NEW YORK, NY - SEPTEMBER 06:  Novak Djokovic of Serbia returns a shot against Kei Nishikori of Japan during their men's singles semifinal match on Day Thirteen of the 2014 US Open at the USTA Billie Jean King National Tennis Center on September 6, 2014 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Elsa/Getty Images)", "Image Copyright": "2014 Getty Images"}